Finding the Fourth Proportional to 2,732.57, 4,097.24 and 1,272.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.57 : 4,097.24 = 1,272.05 : x
2. Step 2: Convert to fraction form
   2,732.57/4,097.24 = 1,272.05/x
3. Step 3: Cross multiply
   2,732.57x = 4,097.24 × 1,272.05
4. Step 4: Simplify right side
   2,732.57x = 5,211,887.78
5. Step 5: Solve for x
   x = 5,211,887.78/2,732.57
6. Step 6: Final answer
   x = 1,907.32